<?php

namespace App\Library;
use Illuminate\Support\Facades\Validator;
use Illuminate\Http\Request;
use App\Models\User;
use DB;

class UserLib
{
    public function tokenGenrator() {                 
        $length = 100;
        $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ=.';
        $randomString = '';    
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, strlen($characters) - 1)];
        }
        return $randomString; 	         
    }

    //create user id
    public function useridGenrator() {                 
        $length = 37;
        $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
        $randomString = '';    
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, strlen($characters) - 1)];
        }
        return $randomString; 	         
    }

    //create otp
    public function otpGenrator() {                 
        $length = 6;
        $characters = '0123456789';
        $randomString = '';    
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, strlen($characters) - 1)];
        }
        return $randomString; 	         
    }

 

    //tokenChecker
    public function tokenChecker($request) 
    {  
        $access_token = $request->header('AuthToken');
        $UserId = $request->header('UserId'); 
       
        $auth = DB::table('tbl_user_auth')->where('UserId', $UserId)->where('AuthToken',$access_token)->get();            
        if ($auth->count() > 0)
        {   //token is exist
            return TRUE;             
        }
        else
        {
            //token is not exist
            return FALSE;                        
        }         
    }

    //tokenCheckerAdmin
    public function tokenCheckerAdmin($request) 
    {  
        $access_token = $request->header('AuthToken');
        $UserId = $request->header('UserId'); 
       
        $auth = DB::table('tbl_admin_auth')->where('admin_id', $UserId)->where('AuthToken',$access_token)->get();            
        if ($auth->count() > 0)
        {   //token is exist
            return TRUE;             
        }
        else
        {
            //token is not exist
            return FALSE;                        
        }         
    }

    public function generateID($length = 8)
    {
        $random = "";
        srand((double) microtime() * 1000000);
        $data = "123456123456789071234567890890";
        // $data .= "aBCdefghijklmn123opq45rs67tuv89wxyz"; // if you need alphabatic also

        for ($i = 0; $i < $length; $i++) {
                $random .= substr($data, (rand() % (strlen($data))), 1);
        }
        return $random;
    }

    public function amountInWords(float $amount)
    {
        $amount_after_decimal = round($amount - ($num = floor($amount)), 2) * 100;
        // Check if there is any number after decimal
        $amt_hundred = null;
        $count_length = strlen($num);
        $x = 0;
        $string = array();
        $change_words = array(0 => '', 1 => 'One', 2 => 'Two',
            3 => 'Three', 4 => 'Four', 5 => 'Five', 6 => 'Six',
            7 => 'Seven', 8 => 'Eight', 9 => 'Nine',
            10 => 'Ten', 11 => 'Eleven', 12 => 'Twelve',
            13 => 'Thirteen', 14 => 'Fourteen', 15 => 'Fifteen',
            16 => 'Sixteen', 17 => 'Seventeen', 18 => 'Eighteen',
            19 => 'Nineteen', 20 => 'Twenty', 30 => 'Thirty',
            40 => 'Forty', 50 => 'Fifty', 60 => 'Sixty',
            70 => 'Seventy', 80 => 'Eighty', 90 => 'Ninety');
            $here_digits = array('', 'Hundred','Thousand','Lakh', 'Crore');
            while( $x < $count_length ) {
            $get_divider = ($x == 2) ? 10 : 100;
            $amount = floor($num % $get_divider);
            $num = floor($num / $get_divider);
            $x += $get_divider == 10 ? 1 : 2;
            if ($amount) {
            $add_plural = (($counter = count($string)) && $amount > 9) ? 's' : null;
            $amt_hundred = ($counter == 1 && $string[0]) ? ' and ' : null;
            $string [] = ($amount < 21) ? $change_words[$amount].' '. $here_digits[$counter]. $add_plural.' 
            '.$amt_hundred:$change_words[floor($amount / 10) * 10].' '.$change_words[$amount % 10]. ' 
            '.$here_digits[$counter].' '.$amt_hundred;
                }
        else $string[] = null;
        }
        $implode_to_Rupees = implode('', array_reverse($string));
        $get_paise = ($amount_after_decimal > 0) ? "And " . ($change_words[$amount_after_decimal / 10] . " 
        " . $change_words[$amount_after_decimal % 10]) . ' Paise' : '';
        return ($implode_to_Rupees ? $implode_to_Rupees . '' : '') . $get_paise;
    }
}